135251038 has 12 divisors (see below), whose sum is σ = 219683448. Its totient is φ = 62423400.

The previous prime is 135251033. The next prime is 135251059. The reversal of 135251038 is 830152531.

It is a junction number, because it is equal to n+sod(n) for n = 135250997 and 135251015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135251033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 199738 + ... + 200413.

It is an arithmetic number, because the mean of its divisors is an integer number (18306954).

Almost surely, 2^135251038 is an apocalyptic number.

135251038 is a deficient number, since it is larger than the sum of its proper divisors (84432410).

135251038 is a wasteful number, since it uses less digits than its factorization.

135251038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400179 (or 400166 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 135251038 is about 11629.7479766330. The cubic root of 135251038 is about 513.3105641032.

The spelling of 135251038 in words is "one hundred thirty-five million, two hundred fifty-one thousand, thirty-eight".